/Engine/Plugins/Animation/ControlRig/Source/ControlRigEditor/Public/Tools/ControlRigSnapper.h
Specification containing a Control Rig and a list of selected Controls we use to get World Transforms for Snapping.
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FControlRigForWorldTransforms
TArray<FName>
ControlNames
TWeakObjectPtr<...
ControlRig